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Finding the Fourth Proportional to 298,689.92, 448,034.88 and 173,943.44

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Solution

The fourth proportional to 298,689.92, 448,034.88 and 173,943.44 is: 260,915.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,689.92 : 448,034.88 = 173,943.44 : x
  2. Step 2: Convert to fraction form
    298,689.92/448,034.88 = 173,943.44/x
  3. Step 3: Cross multiply
    298,689.92x = 448,034.88 × 173,943.44
  4. Step 4: Simplify right side
    298,689.92x = 77,932,728,267.19
  5. Step 5: Solve for x
    x = 77,932,728,267.19/298,689.92
  6. Step 6: Final answer
    x = 260,915.16

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